Data Centre Interconnect/HA/DR - Network Design Options

Dear All,

Our company is planning to impliment a disaster recovery centre to provide protecton and high availability to a our applications and data whis is being accessed by around 700 users from 65 MPLS sites and VPN sites across UK

Our corrent DC is build with following 100 mb sitches.

1* 3750 - Connects to MPLS router VLANS and to the ASA FW which is linked to the server farm switches

Please have a look at our given current DC network diagram. We want to eliminate all the single point of failures and high availability.

We are planning to extend the the DC1 VLANS to the DR site using a Layer 2 Metro point-to point link from Virgin. Please can you all suggest modifications to the network diagram to accomodate the DR site with Layer 2 extension for High availability. Can you also suggest the latest Cisco devices to upgrade the DCs

Topology & Design:
Overview:
Two ACI fabrics
Stretching VLANs using OTV
Both fabrics are advertising BD subnets into same routing domain
Some BDs(or say VLANs) are stretched, but some are not.
Endpoints can move betwee...
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Prerequisites
VMware Trunk Port Group is supported from ACI version 2.1
VMM integration must be configured properly
ASA device package must be uploaded to APIC
ASAv version must be compatible with ACI and device package version
Configuration
C...
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Topology &Design:Traffic flow within same fabric:Endpoint moves to Fabric-2Bounce Entry Times OutTraffic Black-holedSummarySolutionAppendix:
I. Introduction
In the Previous articles of ACI Automation, we are using Postman/Newman a...
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